Mazda premacy - Page 37

Form No.3351-1A-01A
F1-23
: Applicable
-: Not applicable
DTC
Diagnosed
circuit
Detection condition FailĆsafe
Memory
function
P1496
Open or short circuit is observed in EGR valve
(stepping motor 1 coil) system when ignition
switch is turned to ON position.
- -
P1497
EGR valve
Open or short circuit is observed in EGR valve
(stepping motor 2 coil) system when ignition
switch is turned to ON position.
- -
P1498
EGR valve
Open or short circuit is observed in EGR valve
(stepping motor 3 coil) system when ignition
switch is turned to ON position.
- -
P1499
Open or short circuit is observed in EGR valve
(stepping motor 4 coil) system when ignition
switch is turned to ON position.
- -
P1504 IAC valve
If PCM detects that PCM terminal 4M voltage is
above threshold*
2
or below threshold*
2
when
IAC duty target is above 18%, PCM determines
that IAC valve circuit has malfunction.
If PCM detects that PCM terminal 4O voltage is
above2VorIACtarget control duty valve is
below threshold*
2
, PCM determines that IAC
valve circuit has malfunction.
D Stops IAC
P1523
VICS soleĆ
noid valve
Open or short circuit is observed in VICS
solenoid valve system when ignition switch is
turned to ON position.
- -
P1602
Immobilizer
t
Commanded transmission from PCM to
immobilizer unit exceeds limit.
No response from immbilizer unit.
- -
P1603
system
Key ID numbers are not registered in PCM. - -
P1604 Code word is not resistered in PCM. - -
P1608 PCM PCM does not read DTC from output device. - -
P1621
Code words stored in PCM and immobilizer unit
do not match.
-
P1622
Immobilizer
system
ID numbers stored in immobilizer unit and PCM
do not match. (stored after immobilizer unit was
replaced and key ID number reĆregistered.)
-
P1623
y
Internal PCM EEPROM malfunction -
P1624
PCM detected immobilizer system malfunction
more than three times.
-
P1631 Generator
When PCM needs more than 19 A from generĆ
ator, and judges generator output voltage to be
below 8.5 V.
-
P1633 Battery
When PCM judges generator output voltage is
above 18.4 V or B+ is above 15.9 V.
-
P1634 Generator
When PCM judges generator output voltage is
above 16.9 V and B+ is below 11.0 V.
-
*
2
: When detected, the threshold value depends on battery voltage and IAC signal duty value.